Package org.apache.lucene.search.similarities

Class BasicModelG

  • public class BasicModelG
extends BasicModel
    Geometric as limiting form of the Bose-Einstein model. The formula used in Lucene differs slightly from the one in the original paper: F is increased by 1 and N is increased by F.

    • Constructor Summary

      Constructors 
      Constructor Description
      BasicModelG()
      Sole constructor: parameter-free

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      float score​(BasicStats stats, float tfn)
      Returns the informative content score.
      java.lang.String toString()
      Subclasses must override this method to return the code of the basic model formula.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • BasicModelG

        public BasicModelG()
        Sole constructor: parameter-free

    • Method Detail

      • score

        public final float score​(BasicStats stats,
                         float tfn)
        Description copied from class: BasicModel
        Returns the informative content score.
        Specified by:
        score in class BasicModel

      • toString

        public java.lang.String toString()
        Description copied from class: BasicModel
        Subclasses must override this method to return the code of the basic model formula. Refer to the original paper for the list.
        Specified by:
        toString in class BasicModel